Ryan Kienstra

<ul>
<li>Set an opt-in form to show at the end of every post.</li>
<li>Must have the Gravity Forms plugin.</li>
</ul>


Adapter Gravity Add-On

Easy email opt-ins with Gravity Forms. Display them at the end of every post.

ofredon

<p>Password Form Styler lets you easily style and customize the default WordPress password form used on protected posts/pages (Password Protected).</p>
<p>It applies globally to all protected pages and provides an admin settings page with a live preview.</p>


Oxicat Password Form Styler

Style and customize the WordPress protected-page password form, globally, without editing your theme.

Adapter Gravity Add-On vs Oxicat Password Form Styler